The Internet provides you with all the graphics and text about electronics that one can imagine.  My site and e-books are special, because they provide not only free books, but the books include FREE virtual circuits to observe and troubleshoot.  You get virtual circuits with out the expense of Brick and Mortar bread boards.  Industry does not need technicians that have simply read about electronics circuits, that is why electronics schools have laboratories in addition to classrooms.  I provide laboratory manuals combined with virtual circuits for you to troubleshoot. That makes this site and its free downloads different, if not unique.  Please bookmark my site  and download some or all of my free e-books and simulations. If all you are looking for is information or tutorials about electronics, click buttons at right side or top of page.   For an organized library of links to other sites go to  the Science Ebook Library .

   New Site for IPAD User (Links to IPAD Friendly Sites)

The Energy Matrix e-zine..
Summer 2007 Edition - DC interface for Micro Power with Simulation.
Fall 2007 Edition - Corn and Wood Pellets for heating.  Energy grows on trees.
Winter 2008 Edition - Future Solar System Interface already in millions of Homes.
Spring 2008 Edition - Electric Cars, Hybrids, Energy Storage.
Fall 2008 Edition - Natural Gas,Cogeneration, Electric Cars, Heat Storage, HVDC and Nuclear Power, Waterfalls
Spring 2009 Edition - Stimulus Package, Corn Solar Collectors, Ice made from coal etc
Summer 2009 Edition -Compact fluorescent  lights impact on diesel. 

Interested in animation only? (Index to all 82 of my circuit animations)
This is great for teachers who want to use our animations in their own curriculum.

Our PDF format e-books: Free Downloads 

Electronic Concepts   Our latest and most comprehensive e-book.

Force Fields    A physics E&M primer for electronic students.

Our online e-books:
1 Basic Electronics

2 Electronic Troubleshooting

3 Select Physics Topics   Now with Physics Troubleshooting.

4   A Science and Technology Odyssey In Cyberspace-Time 

5   Science Ebook Ezine

6  Gif Circuits

7 JavaScript

8. Electronic Circuits With Faults 

9. Meter Math  New!  General system troubleshooting. Electronics not required.

10. Physics Laboratory: Fun Simulations that allow you to apply your knowledge of physics.

11. Electronics Circuit Principles and Design

New! Audio Version of Electronic Concepts   Save Paper! Listen to synthesized sound.

 
 RCL Network Troubleshooting(1.1 Mbytes) zip file.   This ebook is in Microsoft Help format.  Users of Vista and above will need to download  Windows Help Program. Click Here to download. Windows 3.1 thru XP support help files.  This eBook works just fine on computers not connected to internet.  Teachers may copy this program to CD and than install it on student offline computers .

Above eBooks allow you to test your ability to troubleshoot basic analog electronics circuits. Success proves that your electronic studies have actually provided you with useable skills.  

Online libraries 
 The Science Ebook Library  for a global selection of over 100 sites ( Has a K12 section also.) 
  
Directory of Select Electronic Sites.   

Synthesized Speech e-book (PDF file edited for speech not reading. Uses Read Aloud function of Adobe Reader)

Talking eBook published August 2, 2004. Click Here to download. This e-Book is about the History of Guns.  What should interest all High Tech students more than the content of book is the use of synthesized speech to create a slideshow with sound.  

New! ( Fall 2007) Get Bill's Free book Force Fields.  A E&M physics primer for electronics students. Download Zipped PDF file: Click Here! 

  Science Ebook Top Drawing